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Koch Construction CompanyGeneral contractor in Santa Rosa, CA

Koch Construction Company is a general contractor at 1550 Airport Blvd #104, Santa Rosa, CA 95403, rated 3.4 from 5 Google reviews. Open Monday to Friday.

Santa Rosa, CA0 paid placements in any rankingHow we rank

Call (707) 575-5608Website ↗

Key facts

Key facts about Koch Construction Company
Address1550 Airport Blvd #104, Santa Rosa, CA 95403Get directions
Phone(707) 575-5608
Websitekochconstruction.net
HoursMonday to Friday: 9 AM – 5 PM
Google rating3.4 from 5 Google reviews

Trades

Each trade shows the evidence we matched it on.

  • General Contractingmain tradeGoogle main category

Service area

Serves Santa Rosa and 11 towns within 25 miles: Larkfield-Wikiup, Windsor, Roseland, Sebastopol, Healdsburg, Calistoga, Rohnert Park, Cotati, Saint Helena, Petaluma and Boyes Hot Springs.

Based in Santa Rosa, CAView on map

Opening hours

Opening hours for Koch Construction Company
DayHours
Monday9 AM – 5 PM
Tuesday9 AM – 5 PM
Wednesday9 AM – 5 PM
Thursday9 AM – 5 PM
Friday9 AM – 5 PM
SaturdayClosed
SundayClosed
  • Open evenings — no
  • Open Saturdays — no
  • Open Sundays — no

Typical general contracting prices

Typical general contracting prices
JobLowTypicalHigh
Kitchen remodelPer project: typical range of customer-reported remodels (about $75 to $250 per sq ft). US national range × 1.04 Pacific factor (2025 Cost vs. Value Report)$15,240$28,190$43,470
Bathroom remodelPer bathroom: typical range of customer-reported remodels. US national range × 1.06 Pacific factor (2025 Cost vs. Value Report)$7,050$12,880$18,720

Market ranges for the trade, checked October 2026, not a quote from this business. Ask for a written estimate.

Reviews

ContractorsRanked reviews

No ContractorsRanked reviews yet

Google

3.4from 5 Google reviews

Hired Koch Construction Company? Write a review

Questions about Koch Construction Company

What are Koch Construction Company’s hours?

Koch Construction Company is open Monday to Friday. Its listed hours are Monday to Friday, 9 AM – 5 PM. It is closed on Saturdays and closed on Sundays. Hours come from the business listing; holiday hours may differ.

What areas does Koch Construction Company serve?

Serves Santa Rosa and 11 towns within 25 miles: Larkfield-Wikiup, Windsor, Roseland, Sebastopol, Healdsburg, Calistoga, Rohnert Park, Cotati, Saint Helena, Petaluma and Boyes Hot Springs. The list is based on the business's location and the usual service radius for general contracting. Confirm your address is covered when you call.

What do Google reviews say about Koch Construction Company?

Koch Construction Company has a rating of 3.4 from 5 Google reviews. The CR Score adjusts the star rating for review count, so a high rating from a few reviews counts for less than the same rating from many.

How do I contact Koch Construction Company?

Call Koch Construction Company on (707) 575-5608. The business is at 1550 Airport Blvd #104, Santa Rosa, CA 95403. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.

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